题目内容
设0<<b,且f (x)=,则下列大小关系式成立的是 ( )
(A)f ()< f ()<f () (B)f ()<f (b)< f ()
(C)f ()< f ()<f () (D)f (b)< f ()<f ()
D
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题目内容
设0<<b,且f (x)=,则下列大小关系式成立的是 ( )
(A)f ()< f ()<f () (B)f ()<f (b)< f ()
(C)f ()< f ()<f () (D)f (b)< f ()<f ()
D